Pith Number

pith:XXHMF3WZ

pith:2001:XXHMF3WZONK5GND6PDIELQOJXG

not attested not anchored not stored refs pending

A Closer Look at the Soft X-ray Transient X1608-52: Long-term Optical/X-ray Observations

(2) Yale University, (3) Service d'Astrophysique CEA Saclay, (4) Harvard-Smithsonian Center for Astrophysics), C. D. Bailyn (2), D. W. Hoard (1), P. Kaaret (4) ((1) CTIO, S. Corbel (3), S. Wachter (1)

arxiv:astro-ph/0112465 v1 · 2001-12-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXHMF3WZONK5GND6PDIELQOJXG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Tracing the outburst decay of soft X-ray transients Aql X-1 and 4U 1608-52 with XSPECT

Receipt and verification

First computed	2026-07-04T16:24:47.897979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdcec2eed97355d3347e78d045c1c9b9a253bb1c0b9a8cf7250f02c267b29e7a

Aliases

arxiv: astro-ph/0112465 · arxiv_version: astro-ph/0112465v1 · doi: 10.48550/arxiv.astro-ph/0112465 · pith_short_12: XXHMF3WZONK5 · pith_short_16: XXHMF3WZONK5GND6 · pith_short_8: XXHMF3WZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XXHMF3WZONK5GND6PDIELQOJXG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bdcec2eed97355d3347e78d045c1c9b9a253bb1c0b9a8cf7250f02c267b29e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24672cf7d0596a4a0d29696017556ce566b8327b5488e482b947c3d59f3624d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-19T20:58:59Z",
    "title_canon_sha256": "2fdb23fc808afafeb15afe652d780b0ec69c08a9beea5f288703d85ea938fb66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112465",
    "kind": "arxiv",
    "version": 1
  }
}